1.item: oil seal . 2.model :TC ,TB,TA ,DC,SC,SB &others. 3.material: NBR , Silicon, VITON, PU ,and others . 4.color :black ,red ,brown, and others . 5.brand : according to clients' requirements . 6.size : common sizes& special size . 7.Application : automobile &industry. 8.We can design and produce according to clients' samples or drawing pictures.